Patents by Inventor Robert Keith Smart

Robert Keith Smart has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Aerosol can discharging apparatus
    Patent number: 3980205
    Abstract: The invention provides for automatically discharging aerosol cans and further includes the provision for controlling the time at which such discharge takes place.
    Type: Grant
    Filed: March 20, 1975
    Date of Patent: September 14, 1976
    Assignee: Qantas Airways Limited
    Inventor: Robert Keith Smart